Home / 57,532.96-86,303.16-18,091.60

Finding the Fourth Proportional to 57,532.96, 86,303.16 and 18,091.60

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Solution

The fourth proportional to 57,532.96, 86,303.16 and 18,091.60 is: 27,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,532.96 : 86,303.16 = 18,091.60 : x
  2. Step 2: Convert to fraction form
    57,532.96/86,303.16 = 18,091.60/x
  3. Step 3: Cross multiply
    57,532.96x = 86,303.16 × 18,091.60
  4. Step 4: Simplify right side
    57,532.96x = 1,561,362,249.46
  5. Step 5: Solve for x
    x = 1,561,362,249.46/57,532.96
  6. Step 6: Final answer
    x = 27,138.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.